Olfaction and Olfactory bulb

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Difference between Olfaction and Olfactory bulb

Olfaction vs. Olfactory bulb

Olfaction is a chemoreception that forms the sense of smell. The olfactory bulb (bulbus olfactorius) is a neural structure of the vertebrate forebrain involved in olfaction, the sense of smell.

Amygdala

The amygdala (plural: amygdalae; also corpus amygdaloideum; Latin from Greek, ἀμυγδαλή, amygdalē, 'Almond', 'tonsil') is one of two almond-shaped groups of nuclei located deep and medially within the temporal lobes of the brain in complex vertebrates, including humans.

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Anosmia

Anosmia is the inability to perceive odor or a lack of functioning olfaction—the loss of the sense of smell.

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Antennal lobe

The antennal lobe is the deutocerebral neuropil of insects which receives the input from the olfactory sensory neurons on the antenna.

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Aroma compound

An aroma compound, also known as an odorant, aroma, fragrance, or flavor, is a chemical compound that has a smell or odor.

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Cribriform plate

In human anatomy, the cribriform plate of the ethmoid bone (horizontal lamina or lamina cribrosa) is received into the ethmoidal notch of the frontal bone and roofs in the nasal cavities.

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Dendrite

Dendrites (from Greek δένδρον déndron, "tree"), also dendrons, are branched protoplasmic extensions of a nerve cell that propagate the electrochemical stimulation received from other neural cells to the cell body, or soma, of the neuron from which the dendrites project.

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Glomerulus (olfaction)

The glomerulus (plural glomeruli) is a spherical structure located in the olfactory bulb of the brain where synapses form between the terminals of the olfactory nerve and the dendrites of mitral, periglomerular and tufted cells.

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Granule cell

The name granule cell has been used by anatomists for a number of different types of neuron whose only common feature is that they all have very small cell bodies.

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Hippocampus

The hippocampus (named after its resemblance to the seahorse, from the Greek ἱππόκαμπος, "seahorse" from ἵππος hippos, "horse" and κάμπος kampos, "sea monster") is a major component of the brains of humans and other vertebrates.

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Hypothalamus

The hypothalamus(from Greek ὑπό, "under" and θάλαμος, thalamus) is a portion of the brain that contains a number of small nuclei with a variety of functions.

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Lateral inhibition

In neurobiology, lateral inhibition is the capacity of an excited neuron to reduce the activity of its neighbors.

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Nasal cavity

The nasal cavity (nasal fossa, or nasal passage) is a large air filled space above and behind the nose in the middle of the face.

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Odor

An odor, odour or fragrance is always caused by one or more volatilized chemical compounds.

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Olfactory bulb mitral cell

Mitral cells are neurons that are part of the olfactory system.

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Olfactory ensheathing glia

Olfactory ensheathing glia (OEG), also known as olfactory ensheathing cells (OECs) or olfactory ensheathing glial cells, are a type of macroglia (radial glia) found in the nervous system.

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Olfactory epithelium

The olfactory epithelium is a specialized epithelial tissue inside the nasal cavity that is involved in smell.

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Olfactory nerve

The olfactory nerve is typically considered the first cranial nerve, or simply CN I, that contains sensory nerve fibers relating to smell.

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Olfactory receptor

Olfactory receptors (ORs), also known as odorant receptors, are expressed in the cell membranes of olfactory receptor neurons and are responsible for the detection of odorants (i.e., compounds that have an odor) which give rise to the sense of smell.

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Olfactory receptor neuron

An olfactory receptor neuron (ORN), also called an olfactory sensory neuron (OSN), is a transduction cell within the olfactory system.

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Olfactory system

The olfactory system, or sense of smell, is the part of the sensory system used for smelling (olfaction).

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Orbitofrontal cortex

The orbitofrontal cortex (OFC) is a prefrontal cortex region in the frontal lobes in the brain which is involved in the cognitive processing of decision-making.

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Periglomerular cell

Periglomerular cells mediate lateral inhibition in the olfactory system together with granule cells.

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Phantosmia

Phantosmia (phantom smell) -->, also called an olfactory hallucination, is smelling an odor that is not actually there.

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Piriform cortex

The piriform cortex, or pyriform cortex, is a region in the brain, part of the rhinencephalon situated in the cerebrum.

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Taste

Taste, gustatory perception, or gustation is one of the five traditional senses that belongs to the gustatory system.

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Vertebrate

Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).

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Vomeronasal organ

The vomeronasal organ (VNO), or the Jacobson's organ, is an auxiliary olfactory sense organ that is found in many animals.

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